This document provides expressions and short phrases that can be used to sustain conversations. Some examples include showing interest by saying "really?" or "mmm"; showing feelings with "oh no!" or "what a pity"; asking short questions like "did you?" or "is it?"; repeating what the other person said; clarifying if you don't understand; finding the right words; agreeing with "yeah" or "right"; changing the subject with "anyway" or "so"; rephrasing; and going back to the beginning. The purpose is to provide tools to smoothly continue discussions.